Home / 50,579.22-75,878.60-19,412.04

Finding the Fourth Proportional to 50,579.22, 75,878.60 and 19,412.04

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Solution

The fourth proportional to 50,579.22, 75,878.60 and 19,412.04 is: 29,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,579.22 : 75,878.60 = 19,412.04 : x
  2. Step 2: Convert to fraction form
    50,579.22/75,878.60 = 19,412.04/x
  3. Step 3: Cross multiply
    50,579.22x = 75,878.60 × 19,412.04
  4. Step 4: Simplify right side
    50,579.22x = 1,472,958,321.28
  5. Step 5: Solve for x
    x = 1,472,958,321.28/50,579.22
  6. Step 6: Final answer
    x = 29,121.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.